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d58831375d
We have a small window where a spu context may be destroyed while we're servicing a page fault (from another thread) to the context's problem state mapping. After we up_read() the mmap_sem, it's possible that the context is destroyed by its owning thread, and so the later references to ctx are invalid. This can maifest as a deadlock on the (now free()-ed) context state mutex. This change adds a reference to the context before we release the mmap_sem, so that the context cannot be destroyed. Signed-off-by: Jeremy Kerr <jk@ozlabs.org> |
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| .. | ||
| boot | ||
| configs | ||
| kernel | ||
| lib | ||
| math-emu | ||
| mm | ||
| oprofile | ||
| platforms | ||
| sysdev | ||
| xmon | ||
| .gitignore | ||
| Kconfig | ||
| Kconfig.debug | ||
| Makefile | ||